/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+#ifndef GCC_C_COMMON_H
+#define GCC_C_COMMON_H
+
+#include "splay-tree.h"
+#include "cpplib.h"
+#include "ggc.h"
/* Usage of TREE_LANG_FLAG_?:
0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT).
SCOPE_BEGIN_P (in SCOPE_STMT)
DECL_PRETTY_FUNCTION_P (in VAR_DECL)
NEW_FOR_SCOPE_P (in FOR_STMT)
+ ASM_INPUT_P (in ASM_STMT)
+ STMT_EXPR_NO_SCOPE (in STMT_EXPR)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
STMT_IS_FULL_EXPR_P (in _STMT)
2: STMT_LINENO_FOR_FN_P (in _STMT)
3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT)
+ COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT)
4: SCOPE_PARTIAL_P (in SCOPE_STMT)
*/
-/* Reserved identifiers. */
+/* Reserved identifiers. This is the union of all the keywords for C,
+ C++, and Objective-C. All the type modifiers have to be in one
+ block at the beginning, because they are used as mask bits. There
+ are 27 type modifiers; if we add many more we will have to redesign
+ the mask mechanism. */
enum rid
{
- RID_UNUSED,
- RID_INT,
- RID_CHAR,
- RID_FLOAT,
- RID_DOUBLE,
- RID_VOID,
- RID_UNUSED1,
-
- /* The first seven are in the order of most frequently used,
- as emiprically determined. */
- RID_FIRST_MODIFIER,
- RID_EXTERN = RID_FIRST_MODIFIER,
- RID_CONST,
- RID_LONG,
- RID_TYPEDEF,
- RID_UNSIGNED,
- RID_SHORT,
- RID_INLINE,
- RID_AUTO,
- RID_STATIC,
- RID_REGISTER,
- RID_SIGNED,
- RID_RESTRICT,
- RID_VOLATILE,
- RID_BOUNDED,
- RID_UNBOUNDED,
- RID_NOALIAS,
- RID_COMPLEX,
-
- RID_IN,
- RID_OUT,
- RID_INOUT,
- RID_BYCOPY,
- RID_BYREF,
- RID_ONEWAY,
- RID_ID,
-
- RID_MAX
+ /* Modifiers: */
+ /* C, in empirical order of frequency. */
+ RID_STATIC = 0,
+ RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN,
+ RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE,
+ RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT,
+
+ /* C extensions */
+ RID_COMPLEX, RID_THREAD,
+
+ /* C++ */
+ RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
+
+ /* ObjC */
+ RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY,
+
+ /* C */
+ RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID,
+ RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE,
+ RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE,
+ RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO,
+ RID_SIZEOF,
+
+ /* C extensions */
+ RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG,
+ RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE,
+ RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P,
+
+ /* Too many ways of getting the name of a function as a string */
+ RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
+
+ /* C++ */
+ RID_BOOL, RID_WCHAR, RID_CLASS,
+ RID_PUBLIC, RID_PRIVATE, RID_PROTECTED,
+ RID_TEMPLATE, RID_NULL, RID_CATCH,
+ RID_DELETE, RID_FALSE, RID_NAMESPACE,
+ RID_NEW, RID_OPERATOR, RID_THIS,
+ RID_THROW, RID_TRUE, RID_TRY,
+ RID_TYPENAME, RID_TYPEID, RID_USING,
+
+ /* casts */
+ RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
+
+ /* Objective-C */
+ RID_ID, RID_AT_ENCODE, RID_AT_END,
+ RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
+ RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
+ RID_AT_PROTOCOL, RID_AT_SELECTOR, RID_AT_INTERFACE,
+ RID_AT_IMPLEMENTATION,
+
+ RID_MAX,
+
+ RID_FIRST_MODIFIER = RID_STATIC,
+ RID_LAST_MODIFIER = RID_ONEWAY,
+
+ RID_FIRST_AT = RID_AT_ENCODE,
+ RID_LAST_AT = RID_AT_IMPLEMENTATION,
+ RID_FIRST_PQ = RID_IN,
+ RID_LAST_PQ = RID_ONEWAY
};
-#define NORID RID_UNUSED
+#define OBJC_IS_AT_KEYWORD(rid) \
+ ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \
+ (unsigned int)(rid) <= (unsigned int)RID_LAST_AT)
+
+#define OBJC_IS_PQ_KEYWORD(rid) \
+ ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \
+ (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ)
/* The elements of `ridpointers' are identifier nodes for the reserved
type names and storage classes. It is indexed by a RID_... value. */
-extern tree *ridpointers;
+extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers;
/* Standard named or nameless data types of the C compiler. */
CTI_SIGNED_WCHAR_TYPE,
CTI_UNSIGNED_WCHAR_TYPE,
CTI_WINT_TYPE,
- CTI_C_SIZE_TYPE, /* For format checking only. */
CTI_SIGNED_SIZE_TYPE, /* For format checking only. */
CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */
+ CTI_INTMAX_TYPE,
+ CTI_UINTMAX_TYPE,
CTI_WIDEST_INT_LIT_TYPE,
CTI_WIDEST_UINT_LIT_TYPE,
CTI_STRING_TYPE,
CTI_CONST_STRING_TYPE,
- CTI_BOOLEAN_TYPE,
- CTI_BOOLEAN_TRUE,
- CTI_BOOLEAN_FALSE,
- CTI_DEFAULT_FUNCTION_TYPE,
- CTI_VOID_LIST,
+ /* Type for boolean expressions (bool in C++, int in C). */
+ CTI_TRUTHVALUE_TYPE,
+ CTI_TRUTHVALUE_TRUE,
+ CTI_TRUTHVALUE_FALSE,
- CTI_VOID_FTYPE,
- CTI_VOID_FTYPE_PTR,
- CTI_INT_FTYPE_INT,
- CTI_PTR_FTYPE_SIZETYPE,
+ CTI_DEFAULT_FUNCTION_TYPE,
CTI_G77_INTEGER_TYPE,
CTI_G77_UINTEGER_TYPE,
CTI_G77_ULONGINT_TYPE,
/* These are not types, but we have to look them up all the time. */
- CTI_FUNCTION_ID,
- CTI_PRETTY_FUNCTION_ID,
- CTI_FUNC_ID,
+ CTI_FUNCTION_NAME_DECL,
+ CTI_PRETTY_FUNCTION_NAME_DECL,
+ CTI_C99_FUNCTION_NAME_DECL,
+ CTI_SAVED_FUNCTION_NAME_DECLS,
+
+ CTI_VOID_ZERO,
CTI_MAX
};
+#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code)
+
+/* Identifier part common to the C front ends. Inherits from
+ tree_identifier, despite appearances. */
+struct c_common_identifier GTY(())
+{
+ struct tree_common common;
+ struct cpp_hashnode node;
+};
+
#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
#define wint_type_node c_global_trees[CTI_WINT_TYPE]
-#define c_size_type_node c_global_trees[CTI_C_SIZE_TYPE]
#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE]
#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
+#define intmax_type_node c_global_trees[CTI_INTMAX_TYPE]
+#define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE]
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
-#define boolean_type_node c_global_trees[CTI_BOOLEAN_TYPE]
-#define boolean_true_node c_global_trees[CTI_BOOLEAN_TRUE]
-#define boolean_false_node c_global_trees[CTI_BOOLEAN_FALSE]
+#define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE]
+#define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE]
+#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE]
#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE]
#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
-#define void_list_node c_global_trees[CTI_VOID_LIST]
-#define void_ftype c_global_trees[CTI_VOID_FTYPE]
-#define void_ftype_ptr c_global_trees[CTI_VOID_FTYPE_PTR]
-#define int_ftype_int c_global_trees[CTI_INT_FTYPE_INT]
-#define ptr_ftype_sizetype c_global_trees[CTI_PTR_FTYPE_SIZETYPE]
/* g77 integer types, which which must be kept in sync with f/com.h */
#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE]
#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE]
#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE]
-#define function_id_node c_global_trees[CTI_FUNCTION_ID]
-#define pretty_function_id_node c_global_trees[CTI_PRETTY_FUNCTION_ID]
-#define func_id_node c_global_trees[CTI_FUNC_ID]
+#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL]
+#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
+#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
+#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS]
-extern tree c_global_trees[CTI_MAX];
+/* A node for `((void) 0)'. */
+#define void_zero_node c_global_trees[CTI_VOID_ZERO]
+
+extern GTY(()) tree c_global_trees[CTI_MAX];
+
+/* In a RECORD_TYPE, a sorted array of the fields of the type, not a tree for size reasons. */
+struct sorted_fields_type GTY(())
+{
+ int len;
+ tree GTY((length ("%h.len"))) elts[1];
+};
+
+/* Mark which labels are explicitly declared.
+ These may be shadowed, and may be referenced from nested functions. */
+#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
+
+/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a
+ warning if they undergo concatenation. */
+#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE)
typedef enum c_language_kind
{
- clk_c, /* A dialect of C: K&R C, ANSI/ISO C89, C2000,
- etc. */
- clk_cplusplus, /* ANSI/ISO C++ */
- clk_objective_c /* Objective C */
-}
+ clk_c = 0, /* C90, C94 or C99 */
+ clk_objc = 1, /* clk_c with ObjC features. */
+ clk_cxx = 2, /* ANSI/ISO C++ */
+ clk_objcxx = 3 /* clk_cxx with ObjC features. */
+}
c_language_kind;
-/* The variant of the C language being processed. Each C language
- front-end defines this variable. */
-
+/* To test for a specific language use c_language, defined by each
+ front end. For "ObjC features" or "not C++" use the macros. */
extern c_language_kind c_language;
-/* Nonzero means give string constants the type `const char *', rather
- than `char *'. */
+#define c_dialect_cxx() (c_language & clk_cxx)
+#define c_dialect_objc() (c_language & clk_objc)
+
+/* Information about a statement tree. */
+
+struct stmt_tree_s GTY(()) {
+ /* The last statement added to the tree. */
+ tree x_last_stmt;
+ /* The type of the last expression statement. (This information is
+ needed to implement the statement-expression extension.) */
+ tree x_last_expr_type;
+ /* The last filename we recorded. */
+ const char *x_last_expr_filename;
+ /* In C++, Nonzero if we should treat statements as full
+ expressions. In particular, this variable is no-zero if at the
+ end of a statement we should destroy any temporaries created
+ during that statement. Similarly, if, at the end of a block, we
+ should destroy any local variables in this block. Normally, this
+ variable is nonzero, since those are the normal semantics of
+ C++.
+
+ However, in order to represent aggregate initialization code as
+ tree structure, we use statement-expressions. The statements
+ within the statement expression should not result in cleanups
+ being run until the entire enclosing statement is complete.
+
+ This flag has no effect in C. */
+ int stmts_are_full_exprs_p;
+};
+
+typedef struct stmt_tree_s *stmt_tree;
+
+/* Global state pertinent to the current function. Some C dialects
+ extend this structure with additional fields. */
+
+struct c_language_function GTY(()) {
+ /* While we are parsing the function, this contains information
+ about the statement-tree that we are building. */
+ struct stmt_tree_s x_stmt_tree;
+ /* The stack of SCOPE_STMTs for the current function. */
+ tree x_scope_stmt_stack;
+};
+
+/* When building a statement-tree, this is the last statement added to
+ the tree. */
+
+#define last_tree (current_stmt_tree ()->x_last_stmt)
+
+/* The type of the last expression-statement we have seen. */
+
+#define last_expr_type (current_stmt_tree ()->x_last_expr_type)
+
+/* The name of the last file we have seen. */
+
+#define last_expr_filename (current_stmt_tree ()->x_last_expr_filename)
+
+/* LAST_TREE contains the last statement parsed. These are chained
+ together through the TREE_CHAIN field, but often need to be
+ re-organized since the parse is performed bottom-up. This macro
+ makes LAST_TREE the indicated SUBSTMT of STMT. */
+
+#define RECHAIN_STMTS(stmt, substmt) \
+ do { \
+ substmt = TREE_CHAIN (stmt); \
+ TREE_CHAIN (stmt) = NULL_TREE; \
+ last_tree = stmt; \
+ } while (0)
+
+/* Language-specific hooks. */
+
+extern void (*lang_expand_stmt) (tree);
+extern void (*lang_expand_decl_stmt) (tree);
+extern void (*lang_expand_function_end) (void);
+extern tree gettags (void);
+
+/* Callback that determines if it's ok for a function to have no
+ noreturn attribute. */
+extern int (*lang_missing_noreturn_ok_p) (tree);
+
+extern int yyparse (void);
+extern void free_parser_stacks (void);
+
+extern stmt_tree current_stmt_tree (void);
+extern tree *current_scope_stmt_stack (void);
+extern void begin_stmt_tree (tree *);
+extern tree add_stmt (tree);
+extern void add_decl_stmt (tree);
+extern tree add_scope_stmt (int, int);
+extern void finish_stmt_tree (tree *);
+
+extern tree walk_stmt_tree (tree *, walk_tree_fn, void *);
+extern void prep_stmt (tree);
+extern void expand_stmt (tree);
+extern tree c_begin_if_stmt (void);
+extern tree c_begin_while_stmt (void);
+extern void c_finish_while_stmt_cond (tree, tree);
+
+enum sw_kind { SW_PARAM = 0, SW_LOCAL, SW_GLOBAL };
+extern void shadow_warning (enum sw_kind, const char *, tree);
+extern int field_decl_cmp (const void *, const void *);
+extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
+ void *);
+
+/* Extra information associated with a DECL. Other C dialects extend
+ this structure in various ways. The C front-end only uses this
+ structure for FUNCTION_DECLs; all other DECLs have a NULL
+ DECL_LANG_SPECIFIC field. */
+
+struct c_lang_decl GTY(()) {
+ unsigned declared_inline : 1;
+};
+
+/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is
+ the approximate number of statements in this function. There is
+ no need for this number to be exact; it is only used in various
+ heuristics regarding optimization. */
+#define DECL_ESTIMATED_INSNS(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
+\f
+/* Switches common to the C front ends. */
+
+/* Nonzero if prepreprocessing only. */
+
+extern int flag_preprocess_only;
+
+/* Nonzero means don't output line number information. */
+
+extern char flag_no_line_commands;
+
+/* Nonzero causes -E output not to be done, but directives such as
+ #define that have side effects are still obeyed. */
+
+extern char flag_no_output;
+
+/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or
+ 'N' of the command line switch. */
+
+extern char flag_dump_macros;
+
+/* Nonzero means pass #include lines through to the output. */
+
+extern char flag_dump_includes;
+
+/* The file name to which we should write a precompiled header, or
+ NULL if no header will be written in this compile. */
+
+extern const char *pch_file;
+
+/* Nonzero if an ISO standard was selected. It rejects macros in the
+ user's namespace. */
+
+extern int flag_iso;
+
+/* Nonzero if -undef was given. It suppresses target built-in macros
+ and assertions. */
+
+extern int flag_undef;
+
+/* Nonzero means don't recognize the non-ANSI builtin functions. */
+
+extern int flag_no_builtin;
+
+/* Nonzero means don't recognize the non-ANSI builtin functions.
+ -ansi sets this. */
+
+extern int flag_no_nonansi_builtin;
+
+/* Nonzero means give `double' the same size as `float'. */
+
+extern int flag_short_double;
+
+/* Nonzero means give `wchar_t' the same size as `short'. */
+
+extern int flag_short_wchar;
+
+/* Nonzero means allow Microsoft extensions without warnings or errors. */
+extern int flag_ms_extensions;
+
+/* Nonzero means don't recognize the keyword `asm'. */
+
+extern int flag_no_asm;
+
+/* Nonzero means give string constants the type `const char *', as mandated
+ by the standard. */
extern int flag_const_strings;
-/* Warn about *printf or *scanf format/argument anomalies. */
+/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */
+
+extern int flag_signed_bitfields;
+extern int explicit_flag_signed_bitfields;
+
+/* Nonzero means warn about pointer casts that can drop a type qualifier
+ from the pointer target type. */
+
+extern int warn_cast_qual;
+
+/* Warn about functions which might be candidates for format attributes. */
+
+extern int warn_missing_format_attribute;
+
+/* Nonzero means warn about sizeof(function) or addition/subtraction
+ of function pointers. */
+
+extern int warn_pointer_arith;
+
+/* Nonzero means warn for any global function def
+ without separate previous prototype decl. */
+
+extern int warn_missing_prototypes;
+
+/* Warn if adding () is suggested. */
+
+extern int warn_parentheses;
+
+/* Warn if initializer is not completely bracketed. */
+
+extern int warn_missing_braces;
+
+/* Warn about comparison of signed and unsigned values.
+ If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */
+
+extern int warn_sign_compare;
+
+/* Nonzero means warn about usage of long long when `-pedantic'. */
+
+extern int warn_long_long;
+
+/* Nonzero means warn about deprecated conversion from string constant to
+ `char *'. */
+
+extern int warn_write_strings;
+
+/* Nonzero means warn about multiple (redundant) decls for the same single
+ variable or function. */
+
+extern int warn_redundant_decls;
+
+/* Warn about testing equality of floating point numbers. */
+
+extern int warn_float_equal;
+
+/* Warn about a subscript that has type char. */
+
+extern int warn_char_subscripts;
+
+/* Warn if a type conversion is done that might have confusing results. */
+
+extern int warn_conversion;
+
+/* Warn about #pragma directives that are not recognized. */
+
+extern int warn_unknown_pragmas; /* Tri state variable. */
+
+/* Warn about format/argument anomalies in calls to formatted I/O functions
+ (*printf, *scanf, strftime, strfmon, etc.). */
extern int warn_format;
-/* Nonzero means do some things the same way PCC does. */
+/* Warn about Y2K problems with strftime formats. */
+
+extern int warn_format_y2k;
+
+/* Warn about excess arguments to formats. */
-extern int flag_traditional;
+extern int warn_format_extra_args;
-/* Nonzero means enable C89 Amendment 1 features, other than digraphs. */
+/* Warn about zero-length formats. */
+
+extern int warn_format_zero_length;
+
+/* Warn about non-literal format arguments. */
+
+extern int warn_format_nonliteral;
+
+/* Warn about possible security problems with calls to format functions. */
+
+extern int warn_format_security;
+
+
+/* C/ObjC language option variables. */
+
+
+/* Nonzero means message about use of implicit function declarations;
+ 1 means warning; 2 means error. */
+
+extern int mesg_implicit_function_declaration;
+
+/* Nonzero means allow type mismatches in conditional expressions;
+ just make their values `void'. */
+
+extern int flag_cond_mismatch;
+
+/* Nonzero means enable C89 Amendment 1 features. */
extern int flag_isoc94;
extern int flag_isoc99;
-/* Nonzero means accept digraphs. */
-
-extern int flag_digraphs;
-
-/* Nonzero means environment is hosted (i.e., not freestanding) */
+/* Nonzero means that we have builtin functions, and main is an int */
extern int flag_hosted;
extern int flag_noniso_default_format_attributes;
-/* Nonzero means warn about suggesting putting in ()'s. */
+/* Nonzero means warn when casting a function call to a type that does
+ not match the return type (e.g. (float)sqrt() or (anything*)malloc()
+ when there is no previous declaration of sqrt or malloc. */
-extern int warn_parentheses;
+extern int warn_bad_function_cast;
-/* Warn if a type conversion is done that might have confusing results. */
+/* Warn about traditional constructs whose meanings changed in ANSI C. */
-extern int warn_conversion;
+extern int warn_traditional;
+
+/* Nonzero means warn for a declaration found after a statement. */
+
+extern int warn_declaration_after_statement;
+
+/* Nonzero means warn for non-prototype function decls
+ or non-prototyped defs without previous prototype. */
+
+extern int warn_strict_prototypes;
+
+/* Nonzero means warn for any global function def
+ without separate previous decl. */
+
+extern int warn_missing_declarations;
+
+/* Nonzero means warn about extern declarations of objects not at
+ file-scope level and about *all* declarations of functions (whether
+ extern or static) not at file-scope level. Note that we exclude
+ implicit function declarations. To get warnings about those, use
+ -Wimplicit. */
+
+extern int warn_nested_externs;
+
+/* Warn if main is suspicious. */
+
+extern int warn_main;
+
+/* Nonzero means warn about possible violations of sequence point rules. */
+
+extern int warn_sequence_point;
+
+/* Nonzero means to warn about compile-time division by zero. */
+extern int warn_div_by_zero;
+
+/* Nonzero means warn about use of implicit int. */
+
+extern int warn_implicit_int;
+
+/* Warn about NULL being passed to argument slots marked as requiring
+ non-NULL. */
+
+extern int warn_nonnull;
+
+
+/* ObjC language option variables. */
+
+
+/* Open and close the file for outputting class declarations, if
+ requested (ObjC). */
+
+extern int flag_gen_declaration;
+
+/* Generate code for GNU or NeXT runtime environment. */
+
+extern int flag_next_runtime;
+
+/* Tells the compiler that this is a special run. Do not perform any
+ compiling, instead we are to test some platform dependent features
+ and output a C header file with appropriate definitions. */
+
+extern int print_struct_values;
+
+/* ???. Undocumented. */
+
+extern const char *constant_string_class_name;
+
+/* Warn if multiple methods are seen for the same selector, but with
+ different argument types. Performs the check on the whole selector
+ table at the end of compilation. */
+
+extern int warn_selector;
+
+/* Warn if a @selector() is found, and no method with that selector
+ has been previously declared. The check is done on each
+ @selector() as soon as it is found - so it warns about forward
+ declarations. */
+
+extern int warn_undeclared_selector;
+
+/* Warn if methods required by a protocol are not implemented in the
+ class adopting it. When turned off, methods inherited to that
+ class are also considered implemented. */
+
+extern int warn_protocol;
+
+
+/* C++ language option variables. */
+
+
+/* Nonzero means don't recognize any extension keywords. */
+
+extern int flag_no_gnu_keywords;
+
+/* Nonzero means do emit exported implementations of functions even if
+ they can be inlined. */
+
+extern int flag_implement_inlines;
+
+/* Nonzero means do emit exported implementations of templates, instead of
+ multiple static copies in each file that needs a definition. */
+
+extern int flag_external_templates;
+
+/* Nonzero means that the decision to emit or not emit the implementation of a
+ template depends on where the template is instantiated, rather than where
+ it is defined. */
+
+extern int flag_alt_external_templates;
+
+/* Nonzero means that implicit instantiations will be emitted if needed. */
+
+extern int flag_implicit_templates;
+
+/* Nonzero means that implicit instantiations of inline templates will be
+ emitted if needed, even if instantiations of non-inline templates
+ aren't. */
+
+extern int flag_implicit_inline_templates;
+
+/* Nonzero means generate separate instantiation control files and
+ juggle them at link time. */
+
+extern int flag_use_repository;
+
+/* Nonzero if we want to issue diagnostics that the standard says are not
+ required. */
+
+extern int flag_optional_diags;
+
+/* Nonzero means we should attempt to elide constructors when possible. */
+
+extern int flag_elide_constructors;
+
+/* Nonzero means that member functions defined in class scope are
+ inline by default. */
+
+extern int flag_default_inline;
+
+/* Controls whether compiler generates 'type descriptor' that give
+ run-time type information. */
+
+extern int flag_rtti;
+
+/* Nonzero if we want to conserve space in the .o files. We do this
+ by putting uninitialized data and runtime initialized data into
+ .common instead of .data at the expense of not flagging multiple
+ definitions. */
+
+extern int flag_conserve_space;
+
+/* Nonzero if we want to obey access control semantics. */
+
+extern int flag_access_control;
+
+/* Nonzero if we want to check the return value of new and avoid calling
+ constructors if it is a null pointer. */
+
+extern int flag_check_new;
+
+/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
+ initialization variables.
+ 0: Old rules, set by -fno-for-scope.
+ 2: New ISO rules, set by -ffor-scope.
+ 1: Try to implement new ISO rules, but with backup compatibility
+ (and warnings). This is the default, for now. */
+
+extern int flag_new_for_scope;
+
+/* Nonzero if we want to emit defined symbols with common-like linkage as
+ weak symbols where possible, in order to conform to C++ semantics.
+ Otherwise, emit them as local symbols. */
+
+extern int flag_weak;
+
+/* Nonzero to use __cxa_atexit, rather than atexit, to register
+ destructors for local statics and global objects. */
+
+extern int flag_use_cxa_atexit;
+
+/* Nonzero means make the default pedwarns warnings instead of errors.
+ The value of this flag is ignored if -pedantic is specified. */
+
+extern int flag_permissive;
+
+/* Nonzero means to implement standard semantics for exception
+ specifications, calling unexpected if an exception is thrown that
+ doesn't match the specification. Zero means to treat them as
+ assertions and optimize accordingly, but not check them. */
+
+extern int flag_enforce_eh_specs;
+
+/* The version of the C++ ABI in use. The following values are
+ allowed:
+
+ 0: The version of the ABI believed most conformant with the
+ C++ ABI specification. This ABI may change as bugs are
+ discovered and fixed. Therefore, 0 will not necessarily
+ indicate the same ABI in different versions of G++.
+
+ 1: The version of the ABI first used in G++ 3.2.
+
+ Additional positive integers will be assigned as new versions of
+ the ABI become the default version of the ABI. */
+
+extern int flag_abi_version;
+
+/* Nonzero means warn about things that will change when compiling
+ with an ABI-compliant compiler. */
+
+extern int warn_abi;
+
+/* Nonzero means warn about invalid uses of offsetof. */
+
+extern int warn_invalid_offsetof;
+
+/* Nonzero means warn about implicit declarations. */
+
+extern int warn_implicit;
+
+/* Nonzero means warn when all ctors or dtors are private, and the class
+ has no friends. */
+
+extern int warn_ctor_dtor_privacy;
+
+/* Nonzero means warn in function declared in derived class has the
+ same name as a virtual in the base class, but fails to match the
+ type signature of any virtual function in the base class. */
+
+extern int warn_overloaded_virtual;
+
+/* Nonzero means warn when declaring a class that has a non virtual
+ destructor, when it really ought to have a virtual one. */
+
+extern int warn_nonvdtor;
+
+/* Nonzero means warn when the compiler will reorder code. */
+
+extern int warn_reorder;
+
+/* Nonzero means warn when synthesis behavior differs from Cfront's. */
+
+extern int warn_synth;
+
+/* Nonzero means warn when we convert a pointer to member function
+ into a pointer to (void or function). */
+
+extern int warn_pmf2ptr;
+
+/* Nonzero means warn about violation of some Effective C++ style rules. */
+
+extern int warn_ecpp;
+
+/* Nonzero means warn where overload resolution chooses a promotion from
+ unsigned to signed over a conversion to an unsigned of the same size. */
+
+extern int warn_sign_promo;
+
+/* Nonzero means warn when an old-style cast is used. */
+
+extern int warn_old_style_cast;
+
+/* Nonzero means warn when non-templatized friend functions are
+ declared within a template */
+
+extern int warn_nontemplate_friend;
+
+/* Nonzero means complain about deprecated features. */
+
+extern int warn_deprecated;
+
+/* Maximum template instantiation depth. This limit is rather
+ arbitrary, but it exists to limit the time it takes to notice
+ infinite template instantiations. */
+
+extern int max_tinst_depth;
+
+/* Nonzero means the expression being parsed will never be evaluated.
+ This is a count, since unevaluated expressions can nest. */
+
+extern int skip_evaluation;
+
+/* The count of input filenames. Only really valid for comparisons
+ against 1. */
+
+extern unsigned num_in_fnames;
/* C types are partitioned into three subsets: object, function, and
incomplete types. */
what operator was specified for it. */
#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
-/* Pointer to function to generate the VAR_DECL for __FUNCTION__ etc.
+/* Attribute table common to the C front ends. */
+extern const struct attribute_spec c_common_attribute_table[];
+extern const struct attribute_spec c_common_format_attribute_table[];
+
+/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
ID is the identifier to use, NAME is the string.
TYPE_DEP indicates whether it depends on type of the function or not
(i.e. __PRETTY_FUNCTION__). */
-extern tree (*make_fname_decl) PARAMS ((tree, const char *, int));
-
-extern void declare_function_name PARAMS ((void));
-extern void decl_attributes PARAMS ((tree, tree, tree));
-extern void init_function_format_info PARAMS ((void));
-extern void check_function_format PARAMS ((tree, tree, tree));
-extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
+extern tree (*make_fname_decl) (tree, int);
+
+extern tree identifier_global_value (tree);
+extern void record_builtin_type (enum rid, const char *, tree);
+extern tree build_void_list_node (void);
+extern void start_fname_decls (void);
+extern void finish_fname_decls (void);
+extern const char *fname_as_string (int);
+extern tree fname_decl (unsigned, tree);
+
+extern void check_function_arguments (tree, tree);
+extern void check_function_arguments_recurse (void (*)
+ (void *, tree,
+ unsigned HOST_WIDE_INT),
+ void *, tree,
+ unsigned HOST_WIDE_INT);
+extern void check_function_format (int *, tree, tree);
+extern void set_Wformat (int);
+extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
+extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
+extern void c_common_insert_default_attributes (tree);
+extern int c_common_handle_option (size_t code, const char *arg, int value);
+extern void c_common_handle_filename (const char *filename);
+extern bool c_common_missing_argument (const char *opt, size_t code);
+extern tree c_common_type_for_mode (enum machine_mode, int);
+extern tree c_common_type_for_size (unsigned int, int);
+extern tree c_common_unsigned_type (tree);
+extern tree c_common_signed_type (tree);
+extern tree c_common_signed_or_unsigned_type (int, tree);
+extern tree c_common_truthvalue_conversion (tree);
+extern void c_apply_type_quals_to_decl (int, tree);
+extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int);
+extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
-extern void binary_op_error PARAMS ((enum tree_code));
-extern void c_expand_expr_stmt PARAMS ((tree));
-extern void c_expand_start_cond PARAMS ((tree, int, int));
-extern void c_expand_start_else PARAMS ((void));
-extern void c_expand_end_cond PARAMS ((void));
+extern void binary_op_error (enum tree_code);
+#define my_friendly_assert(EXP, N) (void) \
+ (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0)
+
+extern tree c_expand_expr_stmt (tree);
+extern void c_expand_start_cond (tree, int, tree);
+extern void c_finish_then (void);
+extern void c_expand_start_else (void);
+extern void c_finish_else (void);
+extern void c_expand_end_cond (void);
/* Validate the expression after `case' and apply default promotions. */
-extern tree check_case_value PARAMS ((tree));
-/* Concatenate a list of STRING_CST nodes into one STRING_CST. */
-extern tree combine_strings PARAMS ((tree));
-extern void constant_expression_warning PARAMS ((tree));
-extern tree convert_and_check PARAMS ((tree, tree));
-extern void overflow_warning PARAMS ((tree));
-extern void unsigned_conversion_warning PARAMS ((tree, tree));
+extern tree check_case_value (tree);
+extern tree fix_string_type (tree);
+struct varray_head_tag;
+extern void constant_expression_warning (tree);
+extern tree convert_and_check (tree, tree);
+extern void overflow_warning (tree);
+extern void unsigned_conversion_warning (tree, tree);
/* Read the rest of the current #-directive line. */
-#if USE_CPPLIB
-extern char *get_directive_line PARAMS ((void));
+extern char *get_directive_line (void);
#define GET_DIRECTIVE_LINE() get_directive_line ()
-#else
-extern char *get_directive_line PARAMS ((FILE *));
-#define GET_DIRECTIVE_LINE() get_directive_line (finput)
-#endif
+#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1)
+#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1)
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
and, if so, perhaps change them both back to their original type. */
-extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *));
-/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
- or validate its data type for an `if' or `while' statement or ?..: exp. */
-extern tree truthvalue_conversion PARAMS ((tree));
-extern tree type_for_mode PARAMS ((enum machine_mode, int));
-extern tree type_for_size PARAMS ((unsigned, int));
+extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *);
-extern unsigned int min_precision PARAMS ((tree, int));
+extern tree pointer_int_sum (enum tree_code, tree, tree);
+extern unsigned int min_precision (tree, int);
/* Add qualifiers to a type, in the fashion for C. */
-extern tree c_build_qualified_type PARAMS ((tree, int));
+extern tree c_build_qualified_type (tree, int);
/* Build tree nodes and builtin functions common to both C and C++ language
frontends. */
-extern void c_common_nodes_and_builtins PARAMS ((int, int, int));
-
-extern tree build_va_arg PARAMS ((tree, tree));
-
-/* Nonzero if the type T promotes to itself.
- ANSI C states explicitly the list of types that promote;
- in particular, short promotes to int even if they have the same width. */
-#define C_PROMOTING_INTEGER_TYPE_P(t) \
- (TREE_CODE ((t)) == INTEGER_TYPE \
- && (TYPE_MAIN_VARIANT (t) == char_type_node \
- || TYPE_MAIN_VARIANT (t) == signed_char_type_node \
- || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \
- || TYPE_MAIN_VARIANT (t) == short_integer_type_node \
- || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node))
-
-extern int self_promoting_args_p PARAMS ((tree));
-extern tree simple_type_promotes_to PARAMS ((tree));
-
-/* These macros provide convenient access to the various _STMT nodes
- created when parsing template declarations. */
-
-/* IF_STMT accessors. These give access to the condtion of the if
+extern void c_common_nodes_and_builtins (void);
+
+extern void disable_builtin_function (const char *);
+
+extern tree build_va_arg (tree, tree);
+
+extern unsigned int c_common_init_options (unsigned int, const char **);
+extern bool c_common_post_options (const char **);
+extern bool c_common_init (void);
+extern void c_common_finish (void);
+extern void c_common_parse_file (int);
+extern HOST_WIDE_INT c_common_get_alias_set (tree);
+extern bool c_promoting_integer_type_p (tree);
+extern int self_promoting_args_p (tree);
+extern tree strip_array_types (tree);
+
+/* This function resets the parsers' state in preparation for parsing
+ a new file. */
+extern void c_reset_state (void);
+/* This is the basic parsing function. */
+extern void c_parse_file (void);
+/* This is misnamed, it actually performs end-of-compilation processing. */
+extern void finish_file (void);
+
+/* These macros provide convenient access to the various _STMT nodes. */
+
+/* Nonzero if this statement should be considered a full-expression,
+ i.e., if temporaries created during this statement should have
+ their destructors run at the end of this statement. (In C, this
+ will always be false, since there are no destructors.) */
+#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
+
+/* IF_STMT accessors. These give access to the condition of the if
statement, the then block of the if statement, and the else block
- of the if stsatement if it exists. */
+ of the if statement if it exists. */
#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
-/* WHILE_STMT accessors. These give access to the condtion of the
- while statement and the body of the while statement, respectively. */
+/* WHILE_STMT accessors. These give access to the condition of the
+ while statement and the body of the while statement, respectively. */
#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
/* DO_STMT accessors. These give access to the condition of the do
- statement and the body of the do statement, respectively. */
+ statement and the body of the do statement, respectively. */
#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
-/* RETURN_STMT accessor. This gives the expression associated with a
- return statement. */
-#define RETURN_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
+/* RETURN_STMT accessors. These give the expression associated with a
+ return statement, and whether it should be ignored when expanding
+ (as opposed to inlining). */
+#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
/* EXPR_STMT accessor. This gives the expression associated with an
- expression statement. */
+ expression statement. */
#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
/* FOR_STMT accessors. These give access to the init statement,
condition, update expression, and body of the for statement,
- respectively. */
+ respectively. */
#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
-/* SWITCH_STMT accessors. These give access to the condition and body
- of the switch statement, respectively. */
+/* SWITCH_STMT accessors. These give access to the condition, body and
+ original condition type (before any compiler conversions)
+ of the switch statement, respectively. */
#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
+#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
/* CASE_LABEL accessors. These give access to the high and low values
- of a case label, respectively. */
+ of a case label, respectively. */
#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0)
#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1)
+#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2)
/* GOTO_STMT accessor. This gives access to the label associated with
- a goto statement. */
+ a goto statement. */
#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0)
+/* True for goto created artificially by the compiler. */
+#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE)))
/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of
- statements assocated with a compound statement. The result is the
- first statement in the list. Succeeding nodes can be acccessed by
- calling TREE_CHAIN on a node in the list. */
+ statements associated with a compound statement. The result is the
+ first statement in the list. Succeeding nodes can be accessed by
+ calling TREE_CHAIN on a node in the list. */
#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0)
/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the
instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
- statement. */
+ statement. */
#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0)
#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1)
#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2)
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4)
/* DECL_STMT accessor. This gives access to the DECL associated with
- the given declaration statement. */
+ the given declaration statement. */
#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0)
-/* STMT_EXPR accessor. */
+/* STMT_EXPR accessor. */
#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
+/* Nonzero if this statement-expression does not have an associated scope. */
+#define STMT_EXPR_NO_SCOPE(NODE) \
+ TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
+
/* LABEL_STMT accessor. This gives access to the label associated with
- the given label statement. */
+ the given label statement. */
#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0)
+/* COMPOUND_LITERAL_EXPR accessors. */
+#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \
+ TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
+#define COMPOUND_LITERAL_EXPR_DECL(NODE) \
+ DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
+
/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */
#define SCOPE_BEGIN_P(NODE) \
- (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE)))
+ (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE)))
/* Nonzero if this SCOPE_STMT is for the end of a scope. */
#define SCOPE_END_P(NODE) \
(SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE)
/* Nonzero for a SCOPE_STMT which represents a lexical scope, but
- which should be treated as non-existant from the point of view of
+ which should be treated as non-existent from the point of view of
running cleanup actions. */
#define SCOPE_NO_CLEANUPS_P(NODE) \
(TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE)))
/* Nonzero for a SCOPE_STMT if this statement is for a partial scope.
For example, in:
-
+
S s;
l:
S s2;
#define ASM_VOLATILE_P(NODE) \
(ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE)
+/* The VAR_DECL to clean up in a CLEANUP_STMT. */
+#define CLEANUP_DECL(NODE) \
+ TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
+/* The cleanup to run in a CLEANUP_STMT. */
+#define CLEANUP_EXPR(NODE) \
+ TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
+
+/* The filename we are changing to as of this FILE_STMT. */
+#define FILE_STMT_FILENAME_NODE(NODE) \
+ (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0))
+#define FILE_STMT_FILENAME(NODE) \
+ (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE)))
+
/* The line-number at which a statement began. But if
STMT_LINENO_FOR_FN_P does holds, then this macro gives the
line number for the end of the current function instead. */
#define STMT_LINENO(NODE) \
(TREE_COMPLEXITY ((NODE)))
-/* If non-zero, the STMT_LINENO for NODE is the line at which the
+/* If nonzero, the STMT_LINENO for NODE is the line at which the
function ended. */
-#define STMT_LINENO_FOR_FN_P(NODE) \
+#define STMT_LINENO_FOR_FN_P(NODE) \
(TREE_LANG_FLAG_2 ((NODE)))
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
- initialization variables. */
-#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
+ initialization variables. */
+#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
+
+/* Nonzero if we want to create an ASM_INPUT instead of an
+ ASM_OPERAND with no operands. */
+#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE))
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
#undef DEFTREECODE
-extern void add_c_tree_codes PARAMS ((void));
-extern void genrtl_do_pushlevel PARAMS ((void));
-extern void genrtl_clear_out_block PARAMS ((void));
-extern void genrtl_goto_stmt PARAMS ((tree));
-extern void genrtl_expr_stmt PARAMS ((tree));
-extern void genrtl_decl_stmt PARAMS ((tree));
-extern void genrtl_if_stmt PARAMS ((tree));
-extern void genrtl_while_stmt PARAMS ((tree));
-extern void genrtl_do_stmt PARAMS ((tree));
-extern void genrtl_return_stmt PARAMS ((tree));
-extern void genrtl_for_stmt PARAMS ((tree));
-extern void genrtl_break_stmt PARAMS ((void));
-extern void genrtl_continue_stmt PARAMS ((void));
-extern void genrtl_scope_stmt PARAMS ((tree));
-extern void genrtl_switch_stmt PARAMS ((tree));
-extern void genrtl_case_label PARAMS ((tree, tree));
-extern void genrtl_compound_stmt PARAMS ((tree));
-extern void genrtl_asm_stmt PARAMS ((tree, tree,
- tree, tree,
- tree));
-extern void genrtl_decl_cleanup PARAMS ((tree, tree));
-extern int stmts_are_full_exprs_p PARAMS ((void));
-typedef void (*expand_expr_stmt_fn) PARAMS ((tree));
-extern expand_expr_stmt_fn lang_expand_expr_stmt;
-extern int anon_aggr_type_p PARAMS ((tree));
+#define c_common_stmt_codes \
+ CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \
+ DECL_STMT, IF_STMT, FOR_STMT, \
+ WHILE_STMT, DO_STMT, RETURN_STMT, \
+ BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \
+ SWITCH_STMT, GOTO_STMT, LABEL_STMT, \
+ ASM_STMT, FILE_STMT, CASE_LABEL
+
+/* TRUE if a code represents a statement. The front end init
+ langhook should take care of initialization of this array. */
+extern bool statement_code_p[MAX_TREE_CODES];
+
+#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
+
+#define INIT_STATEMENT_CODES(STMT_CODES) \
+ do { \
+ unsigned int i; \
+ memset (&statement_code_p, 0, sizeof (statement_code_p)); \
+ for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \
+ statement_code_p[STMT_CODES[i]] = true; \
+ } while (0)
+
+extern void genrtl_do_pushlevel (void);
+extern void genrtl_goto_stmt (tree);
+extern void genrtl_expr_stmt (tree);
+extern void genrtl_expr_stmt_value (tree, int, int);
+extern void genrtl_decl_stmt (tree);
+extern void genrtl_if_stmt (tree);
+extern void genrtl_while_stmt (tree);
+extern void genrtl_do_stmt (tree);
+extern void genrtl_return_stmt (tree);
+extern void genrtl_for_stmt (tree);
+extern void genrtl_break_stmt (void);
+extern void genrtl_continue_stmt (void);
+extern void genrtl_scope_stmt (tree);
+extern void genrtl_switch_stmt (tree);
+extern void genrtl_case_label (tree);
+extern void genrtl_compound_stmt (tree);
+extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int);
+extern void genrtl_cleanup_stmt (tree);
+extern int stmts_are_full_exprs_p (void);
+extern int anon_aggr_type_p (tree);
/* For a VAR_DECL that is an anonymous union, these are the various
sub-variables that make up the anonymous union. */
#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE))
-extern void emit_local_var PARAMS ((tree));
-extern void make_rtl_for_local_static PARAMS ((tree));
-extern tree expand_cond PARAMS ((tree));
-extern tree expand_stmt PARAMS ((tree));
-extern tree lang_expand_stmt PARAMS ((tree));
-extern void c_expand_return PARAMS ((tree));
-extern tree c_expand_start_case PARAMS ((tree));
-extern void do_case PARAMS ((tree, tree));
-extern tree build_stmt PARAMS ((enum tree_code, ...));
-extern tree build_case_label PARAMS ((tree, tree));
-extern tree build_continue_stmt PARAMS ((void));
-extern tree build_break_stmt PARAMS ((void));
-extern tree build_return_stmt PARAMS ((tree));
+/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */
+#define DECL_C_BIT_FIELD(NODE) \
+ (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1)
+#define SET_DECL_C_BIT_FIELD(NODE) \
+ (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1)
+#define CLEAR_DECL_C_BIT_FIELD(NODE) \
+ (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
+
+/* In a VAR_DECL, nonzero if the decl is a register variable with
+ an explicit asm specification. */
+#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL))
+
+extern void emit_local_var (tree);
+extern void make_rtl_for_local_static (tree);
+extern tree expand_cond (tree);
+extern tree c_expand_return (tree);
+extern tree do_case (tree, tree);
+extern tree build_stmt (enum tree_code, ...);
+extern tree build_case_label (tree, tree, tree);
+extern tree build_continue_stmt (void);
+extern tree build_break_stmt (void);
+extern tree build_return_stmt (tree);
#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE)
-extern void c_expand_asm_operands PARAMS ((tree, tree, tree, tree, int, const char *, int));
-extern int current_function_name_declared PARAMS ((void));
-extern void set_current_function_name_declared PARAMS ((int));
+/* Used by the C++ frontend to mark the block around the member
+ initializers and cleanups. */
+#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE)
+
+extern void c_expand_asm_operands (tree, tree, tree, tree, int, const char *, int);
/* These functions must be defined by each front-end which implements
a variant of the C language. They are used in c-common.c. */
-extern tree build_unary_op PARAMS ((enum tree_code,
- tree, int));
-extern tree build_binary_op PARAMS ((enum tree_code,
- tree, tree, int));
-extern int lvalue_p PARAMS ((tree));
-extern tree default_conversion PARAMS ((tree));
+extern tree build_unary_op (enum tree_code, tree, int);
+extern tree build_binary_op (enum tree_code, tree, tree, int);
+extern int lvalue_p (tree);
+extern tree default_conversion (tree);
/* Given two integer or real types, return the type for their sum.
Given two compatible ANSI C types, returns the merged type. */
-extern tree common_type PARAMS ((tree, tree));
+extern tree common_type (tree, tree);
+
+extern tree expand_tree_builtin (tree, tree, tree);
+
+extern tree decl_constant_value (tree);
+
+/* Handle increment and decrement of boolean types. */
+extern tree boolean_increment (enum tree_code, tree);
+
+/* Hook currently used only by the C++ front end to reset internal state
+ after entering or leaving a header file. */
+extern void extract_interface_info (void);
+
+extern int case_compare (splay_tree_key, splay_tree_key);
+
+extern tree c_add_case_label (splay_tree, tree, tree, tree);
+
+extern tree build_function_call (tree, tree);
+
+extern tree finish_label_address_expr (tree);
+
+/* Same function prototype, but the C and C++ front ends have
+ different implementations. Used in c-common.c. */
+extern tree lookup_label (tree);
+
+extern rtx c_expand_expr (tree, rtx, enum machine_mode, int);
+
+extern int c_safe_from_p (rtx, tree);
+
+extern int c_staticp (tree);
+
+extern int c_common_unsafe_for_reeval (tree);
+
+extern void init_c_lex (void);
+
+extern void c_cpp_builtins (cpp_reader *);
+
+/* Positive if an implicit `extern "C"' scope has just been entered;
+ negative if such a scope has just been exited. */
+extern int pending_lang_change;
+
+/* Information recorded about each file examined during compilation. */
+
+struct c_fileinfo
+{
+ int time; /* Time spent in the file. */
+ short interface_only; /* Flags - used only by C++ */
+ short interface_unknown;
+};
+
+struct c_fileinfo *get_fileinfo (const char *);
+extern void dump_time_statistics (void);
+
+extern bool c_dump_tree (void *, tree);
+
+extern void pch_init (void);
+extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd);
+extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd,
+ const char *orig);
+extern void c_common_write_pch (void);
+extern void c_common_no_more_pch (void);
+extern void builtin_define_with_value (const char *, const char *, int);
+extern void c_stddef_cpp_builtins (void);
+extern void fe_file_change (const struct line_map *);
+extern int c_estimate_num_insns (tree decl);
+
+/* In c-ppoutput.c */
+extern void init_pp_output (FILE *);
+extern void preprocess_file (cpp_reader *);
+extern void pp_file_change (const struct line_map *);
+
+#endif /* ! GCC_C_COMMON_H */